.travis.yml

sudo: false
language: bash
os:
  - linux

addons:
  apt:
    packages:
      - gperf
      - python
      - python-serial

before_install:
  # Save path to the git respository
  - PROJECT_PATH=$(pwd)
  # Have to checkout a temp branch for later in tree reference
  - git checkout -b temporary_ref_branch
  - CI_COMMIT_SHA=$(git rev-parse HEAD)
  # Test building with latest (stable == v3.3 for now) IDF
  - LTS_IDF=release/v3.3

install:
  # Install ESP32 toochain following steps as desribed
  # in http://esp-idf.readthedocs.io/en/latest/linux-setup.html
  #
  # Get required packages - already done above, see addons: apt: packages:
  # - sudo apt-get install git wget make libncurses-dev flex bison gperf python python-serial
  # Prepare directory for the toolchain
  - mkdir -p ~/esp
  - cd ~/esp
  # Download binary toolchain for the ESP32
  - wget https://dl.espressif.com/dl/xtensa-esp32-elf-linux64-1.22.0-80-g6c4433a-5.2.0.tar.gz
  - tar -xzf xtensa-esp32-elf-linux64-1.22.0-80-g6c4433a-5.2.0.tar.gz
  # Get ESP-IDF from github (non-recursive to save time, later we update submodules for different versions)
  - git clone https://github.com/espressif/esp-idf.git
  # Set the path to ESP-IDF directory
  - export IDF_PATH=~/esp/esp-idf
  - python -m pip install --user -r $IDF_PATH/requirements.txt
  # Setup build tool: xtensa-esp32-elf and idf.py
  - export PATH=$PATH:$HOME/esp/xtensa-esp32-elf/bin:$IDF_PATH/tools

script:
  # Legacy build with IDF < 3.2
  - cd $IDF_PATH
  - git checkout v3.1 && git submodule update --init --recursive
  - cd $PROJECT_PATH
  - ./ci/modify_for_legacy_idf.sh ${LTS_IDF} || true
  - cd $PROJECT_PATH/examples/tcp
  - make defconfig
  - make -j4
  # Build with v3.3 (LTS) IDF
  - cd $IDF_PATH
  - git checkout ${LTS_IDF} && git submodule update --init --recursive
  - cd $IDF_PATH/components/mqtt/esp-mqtt
  - git remote add local $PROJECT_PATH/.git
  - git fetch local
  - git reset --hard $CI_COMMIT_SHA
  - cd $IDF_PATH/examples/protocols/mqtt/tcp
  - idf.py build
  - cd $IDF_PATH/examples/protocols/mqtt/ssl
  - idf.py build
  - cd $IDF_PATH/examples/protocols/mqtt/ws
  - idf.py build
  - cd $IDF_PATH/examples/protocols/mqtt/wss
  - idf.py build